[INFO] fetching crate bip_select 0.1.0...
[INFO] checking bip_select-0.1.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bip_select 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bip_select 0.1.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bip_select 0.1.0
[INFO] finished tweaking crates.io crate bip_select 0.1.0
[INFO] tweaked toml for crates.io crate bip_select 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded error-chain v0.9.0
[INFO] [stderr]   Downloaded bip_bencode v0.3.1
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded bip_metainfo v0.11.0
[INFO] [stderr]   Downloaded bip_handshake v0.7.1
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded bip_peer v0.5.0
[INFO] [stderr]   Downloaded tokio-timer v0.1.2
[INFO] [stderr]   Downloaded bip_util v0.5.0
[INFO] [stderr]   Downloaded chrono v0.2.25
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[INFO] [stderr]   Downloaded bip_bencode v0.4.4
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded bip_utracker v0.3.2
[INFO] [stderr]   Downloaded bip_handshake v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e3894f5febea2b2d348f4bd4ffc1f188d45b2de32088ba1da4d758288cc8c7b
[INFO] running `Command { std: "docker" "start" "-a" "8e3894f5febea2b2d348f4bd4ffc1f188d45b2de32088ba1da4d758288cc8c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e3894f5febea2b2d348f4bd4ffc1f188d45b2de32088ba1da4d758288cc8c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3894f5febea2b2d348f4bd4ffc1f188d45b2de32088ba1da4d758288cc8c7b", kill_on_drop: false }`
[INFO] [stdout] 8e3894f5febea2b2d348f4bd4ffc1f188d45b2de32088ba1da4d758288cc8c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d84d7bf2508accea82f7dfe3c0be7580707a228f9693fffc14b7e30bbeccc829
[INFO] running `Command { std: "docker" "start" "-a" "d84d7bf2508accea82f7dfe3c0be7580707a228f9693fffc14b7e30bbeccc829", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking rand v0.4.6
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[INFO] [stderr]     Checking parking_lot_core v0.6.3
[INFO] [stderr]     Checking time v0.1.45
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[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking miow v0.1.5
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[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
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[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
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[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking umio v0.3.0
[INFO] [stderr]     Checking bip_util v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking bip_handshake v0.5.4
[INFO] [stderr]     Checking bip_handshake v0.7.1
[INFO] [stderr]     Checking error-chain v0.9.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking bip_utracker v0.3.2
[INFO] [stderr]     Checking bip_bencode v0.3.1
[INFO] [stderr]     Checking bip_bencode v0.4.4
[INFO] [stderr]     Checking bip_metainfo v0.11.0
[INFO] [stderr]     Checking bip_peer v0.5.0
[INFO] [stderr]     Checking bip_select v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/discovery/ut_metadata.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uber.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | ...c<Box<DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     discovery: Vec<Box<dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/uber.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...c<Box<DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |     discovery: Vec<Box<dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/discovery/ut_metadata.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uber.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | ...c<Box<DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     discovery: Vec<Box<dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/uber.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...c<Box<DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |     discovery: Vec<Box<dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uber.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uber.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.28s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4, nom v3.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d84d7bf2508accea82f7dfe3c0be7580707a228f9693fffc14b7e30bbeccc829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84d7bf2508accea82f7dfe3c0be7580707a228f9693fffc14b7e30bbeccc829", kill_on_drop: false }`
[INFO] [stdout] d84d7bf2508accea82f7dfe3c0be7580707a228f9693fffc14b7e30bbeccc829
[INFO] checking bip_select-0.1.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bip_select 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bip_select 0.1.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bip_select 0.1.0
[INFO] finished tweaking crates.io crate bip_select 0.1.0
[INFO] tweaked toml for crates.io crate bip_select 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c057fa10d56b20bf2be61cd2f4b6f0eba519c65b9947dc85da39ccba8e059312
[INFO] running `Command { std: "docker" "start" "-a" "c057fa10d56b20bf2be61cd2f4b6f0eba519c65b9947dc85da39ccba8e059312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c057fa10d56b20bf2be61cd2f4b6f0eba519c65b9947dc85da39ccba8e059312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c057fa10d56b20bf2be61cd2f4b6f0eba519c65b9947dc85da39ccba8e059312", kill_on_drop: false }`
[INFO] [stdout] c057fa10d56b20bf2be61cd2f4b6f0eba519c65b9947dc85da39ccba8e059312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dfc24cc9c0dd3e8d8b2edaef8c5c13767ae04aca1dde6460f1da30704671d94
[INFO] running `Command { std: "docker" "start" "-a" "3dfc24cc9c0dd3e8d8b2edaef8c5c13767ae04aca1dde6460f1da30704671d94", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot_core v0.6.3
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking umio v0.3.0
[INFO] [stderr]     Checking bip_util v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking bip_handshake v0.7.1
[INFO] [stderr]     Checking bip_handshake v0.5.4
[INFO] [stderr]     Checking bip_utracker v0.3.2
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking error-chain v0.9.0
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking bip_bencode v0.3.1
[INFO] [stderr]     Checking bip_bencode v0.4.4
[INFO] [stderr]     Checking bip_metainfo v0.11.0
[INFO] [stderr]     Checking bip_peer v0.5.0
[INFO] [stderr]     Checking bip_select v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/discovery/ut_metadata.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/discovery/ut_metadata.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uber.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | ...c<Box<DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     discovery: Vec<Box<dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/uber.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...c<Box<DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |     discovery: Vec<Box<dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uber.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | ...c<Box<DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     discovery: Vec<Box<dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/uber.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...c<Box<DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |     discovery: Vec<Box<dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>>>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uber.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uber.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 dyn DiscoveryTrait<SinkItem = IDiscoveryMessage, SinkError = DiscoveryError, Item = ODiscoveryMessage, Error = DiscoveryError>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4, nom v3.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3dfc24cc9c0dd3e8d8b2edaef8c5c13767ae04aca1dde6460f1da30704671d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dfc24cc9c0dd3e8d8b2edaef8c5c13767ae04aca1dde6460f1da30704671d94", kill_on_drop: false }`
[INFO] [stdout] 3dfc24cc9c0dd3e8d8b2edaef8c5c13767ae04aca1dde6460f1da30704671d94
